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440 Pcs M3 Bolts and Nuts Set, Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Stainless Steel Replacement Machine Fastener Screws Bolts Nuts Sets
Details
- Size440
- ColourNegro
- MaterialStainless
- BrandHAOCHEN
- Item dimensions L x W x H18 x 10 x 2.3
Description
🔧 Elevate your toolkit with the ultimate M3 fastener arsenal!
- BUILT TO LAST - Crafted from high-grade stainless steel for unbeatable rust & corrosion resistance
- EFFORTLESS HANDLING - Deep hex socket heads ensure slip-free, precise fastening every time
- VERSATILE APPLICATION - Perfect for home, office, communication gear, and even ship assembly—be ready for anything
- SMART STORAGE SOLUTION - Compact, transparent case keeps your fasteners sorted and instantly accessible
- ALL IN ONE PRECISION KIT - 440 meticulously sized M3 bolts & nuts for every project need
This 440-piece M3 hex socket button head bolt and nut set features premium stainless steel construction for superior durability and corrosion resistance. The kit includes a wide range of screw lengths and 220 nuts, all housed in a sturdy, clear storage box for quick access and organization. Designed for precision and ease of use, these fasteners are ideal for diverse applications from home repairs to professional equipment assembly.
Specifications
| Fastener type | Socket Head |
| Head style | Hex |
| Finish type | Plain |
| Shape | cylinder |
| Item diameter | 3 Millimetres |
| Thread size | M3 |
| Number of pieces | 440 |
| Compatible groove diameter | 3.5 Millimetres |
| Manufacturer | HAOCHEN |
| Part number | 047 |
| Item Weight | 390 g |
| Item model number | 440 |
| Finish | Plain |
| Item Package Quantity | 1 |
| Head Style | Hex |
| Cutting Diameter | 3 Millimetres |
| Measurement System | Metric |
| Batteries included? | No |
| Batteries Required? | No |
Reviews
M**T
Great Quality and Value – Perfect for DIY and 3D Printing!
I picked up this 440-piece M3 nuts and bolts set, and it’s been a fantastic addition to my workspace. The variety of lengths included makes it super versatile for all kinds of projects, from 3D printer upgrades to electronics and general DIY repairs.The quality is excellent—the bolts and nuts are well-machined with clean threads, making assembly smooth with no stripping or misalignment issues. The stainless steel construction ensures durability and rust resistance, so I don’t have to worry about long-term reliability.I also appreciate the organized storage case—everything is neatly sorted, making it easy to find the right size without rummaging through a messy pile of hardware. The assortment is well-balanced, with plenty of each size to cover most needs.If you’re looking for a high-quality, well-organized M3 hardware kit for 3D printing, PC builds, or general projects, this set is a must-have. Great value for the price!
J**N
Excellent value for money
These sets are very good value, the quality is good and a very good selection of sizes in sensible quantities. It's really cheaper to buy like this than to replenish in individual sizes
J**S
M3 bolts for 3d printing projects
Useful box of M3 bolts for 3d printing
D**R
Mixed box of neat bolts.
Yep these are definitely bolts, seem like decent quality and a big variety of different sizes so pretty much what I wanted.
R**S
Good stuff!
Good stuff!
M**K
Good selection to have when just any screw won't do
quick delivery and as described - thank you
J**E
More than I'll ever need!
As usual with these sets I actually only needed 4 items, but at least the choice here let me easily select the best ones without guesswork and the price of 4 alone was near the same as this kit. Quality seems fine.
H**T
Perfect little set
Exactly what I needed. Large variety of lengths, more so than you realise when quickly looking at the pictures! The plastic box isn’t fantastic but I didn’t buy it for that.
Common Questions
Trustpilot
2 weeks ago
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